composeframe.java

一个用java写的mail.里面的代码值得我们去研究！学习。

    } catch ( PasswordCancelException ex ) {
      Object[] xargs = { ex.getMessage() };
      if ( xsign ) {
        ComponentFactory.showDialog( ICEMail.getBundle(), "Compose.MissingPass1",
                                     0, JOptionPane.WARNING_MESSAGE, xargs );
      } else {
        ComponentFactory.showDialog( ICEMail.getBundle(), "Compose.MissingPass2",
                                     0, JOptionPane.WARNING_MESSAGE, xargs );
      }
    } catch ( MessagingException xex ) {
      Object[] xargs = { xex.getMessage() };
      ComponentFactory.showDialog( ICEMail.getBundle(), "Compose.SendingException",
                                   0, JOptionPane.ERROR_MESSAGE, xargs );
    }
  }

  private void
  saveComposition( Message message ) throws MessagingException {
    String xpath = UserProperties.getProperty( "composeFolderPath", null );

    if ( xpath == null ) {
      ComposeConfigDialog xdialog = new ComposeConfigDialog( null );
      xdialog.show();

      xpath = UserProperties.getProperty( "composeFolderPath", null );
    }

    if ( xpath != null && xpath.length() > 0 ) {
      MailUtilities.saveMessage( message, xpath );
    } else {
      String xstring = ICEMail.getBundle().getString( "Exception.noFolderSpecified" );
      throw new MessagingException( xstring );
    }

  }

  private void
  collate( StringBuffer buf, String prefix, String text ) {
    boolean wasNewline = false;
    StringTokenizer toker = new StringTokenizer( text, "\n", true );
    int count = toker.countTokens();

    for ( int i = 0 ; i < count ; ++i ) {
      String textLine;
      try {
        textLine = toker.nextToken();
      } catch ( NoSuchElementException ex ) {
        break;
      }

      if ( ! textLine.equals( "\n" ) ) {
        buf.append( prefix );
        buf.append( textLine );
        wasNewline = false;
      } else {
        if ( wasNewline ) {
          buf.append( prefix );
        }
        buf.append( "\n" );
        wasNewline = true;
      }
    }
  }

  private void
  setSignature( String sig ) {
    int selEnd = messageText_.getSelectionEnd();
    int selStart = messageText_.getSelectionStart();

    if ( signature_ != null ) {
      String msgText = messageText_.getText();

      int index = -1;
      if ( signature_.length() > 0 ) {
        index = msgText.indexOf( signature_ );
      }

      if ( index != -1 ) {
        selStart = index;
        messageText_.setCaretPosition( index );
        messageText_.moveCaretPosition( index + signature_.length() );
      }
    }

    signature_ = sig;
    messageText_.replaceSelection( sig );

    selEnd = selStart + sig.length();

    messageText_.setCaretPosition( selEnd );
    messageText_.moveCaretPosition( selEnd );

    modified_ = true;
  }

  private void
  establishContents() {
    Container content = getContentPane();
    ((JPanel) content).setDoubleBuffered( true );

    content.setLayout( new GridBagLayout() );

    JToolBar xtoolBar = new JToolBar();
    xtoolBar.setFloatable( false );
    AWTUtilities.constrain( content, xtoolBar, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 0, 0, 1, 1, 0.5, 0.0 );

    sendButton_ = ComponentFactory.getButton( ICEMail.getBundle(), "Compose.Send",
                                              actionListener_, focusListener_ );
    xtoolBar.add( sendButton_ );

    xtoolBar.addSeparator();

    printButton_ = ComponentFactory.getButton( ICEMail.getBundle(), "Compose.Print",
                                               actionListener_, focusListener_ );
    xtoolBar.add( printButton_ );

    xtoolBar.addSeparator();

    priorityButton_ = ComponentFactory.getRotateButton( ICEMail.getBundle(), "Compose.Priority",
                                                        actionListener_, focusListener_ );
    xtoolBar.add( priorityButton_ );

    xtoolBar.addSeparator();

    if ( ICEMail.getSMIMELibrary() != null ) {
      encryptButton_ = ComponentFactory.getRotateButton( ICEMail.getBundle(), "Compose.Encrypt",
                                                         actionListener_, focusListener_ );
      xtoolBar.add( encryptButton_ );

      signButton_ = ComponentFactory.getRotateButton( ICEMail.getBundle(), "Compose.Sign",
                                                      actionListener_, focusListener_ );
      xtoolBar.add( signButton_ );
    }

    JPanel comboPan = new JPanel();
    comboPan.setLayout( new GridBagLayout() );
    AWTUtilities.constrain( content, comboPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHEAST, 1, 0, 1, 1, 0.5, 0.0 );

    JToolBar attachTools = new JToolBar();
    attachTools.setFloatable( false );
    AWTUtilities.constrain( comboPan, attachTools, GridBagConstraints.NONE,
    GridBagConstraints.EAST, 0, 0, 1, 1, 0.0, 0.0 );

    attachButton_ = ComponentFactory.getButton( ICEMail.getBundle(), "Compose.Attach",
                                                actionListener_, focusListener_ );
    attachTools.add( attachButton_ );

    detachButton_ = ComponentFactory.getButton( ICEMail.getBundle(), "Compose.Detach",
                                                actionListener_, focusListener_ );
    attachTools.add( detachButton_ );

    attachComboBox_ = new JComboBox();
    attachComboBox_.addFocusListener( focusListener_ );
    AWTUtilities.constrain( comboPan, attachComboBox_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.WEST, 1, 0, 1, 1, 1.0, 0.0 );

    JPanel xpanel = new JPanel();

    xpanel.addFocusListener( focusListener_ );
    xpanel.setLayout( new GridBagLayout() );
    xpanel.setBorder( JFCUtilities.StandardBorder );

    AWTUtilities.constrain( content, xpanel, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 0, 1, 2, 1, 1.0, 0.0 );

    JLabel  lbl;
    int     row = 0;

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "Compose.From" );
    AWTUtilities.constrain( xpanel, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHWEST, 0, row, 1, 1, 0.0, 0.0 );
    fromText_ = ComponentFactory.getTextField( ICEMail.getBundle(), "Compose.From", focusListener_ );
    AWTUtilities.constrain( xpanel, fromText_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 1, row++, 1, 1, 1.0, 0.0 );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "Compose.To" );
    AWTUtilities.constrain( xpanel, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHWEST, 0, row, 1, 1, 0.0, 0.0 );
    toText_ = ComponentFactory.getTextField( ICEMail.getBundle(), "Compose.To", focusListener_ );
    AWTUtilities.constrain( xpanel, toText_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 1, row++, 1, 1, 1.0, 0.0 );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "Compose.Cc" );
    AWTUtilities.constrain( xpanel, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHWEST, 0, row, 1, 1, 0.0, 0.0 );
    ccText_ = ComponentFactory.getTextField( ICEMail.getBundle(), "Compose.Cc", focusListener_ );
    AWTUtilities.constrain( xpanel, ccText_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 1, row++, 1, 1, 1.0, 0.0 );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "Compose.Bcc" );
    AWTUtilities.constrain( xpanel, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHWEST, 0, row, 1, 1, 0.0, 0.0 );
    bccText_ = ComponentFactory.getTextField( ICEMail.getBundle(), "Compose.Bcc", focusListener_ );
    AWTUtilities.constrain( xpanel, bccText_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 1, row++, 1, 1, 1.0, 0.0 );

    lbl = ComponentFactory.getLabel( ICEMail.getBundle(), "Compose.Subject" );
    AWTUtilities.constrain( xpanel, lbl, GridBagConstraints.NONE,
                            GridBagConstraints.NORTHWEST, 0, row, 1, 1, 0.0, 0.0 );
    subjectText_ = ComponentFactory.getTextField( ICEMail.getBundle(), "Compose.Subject",
                                                  focusListener_ );
    AWTUtilities.constrain( xpanel, subjectText_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.NORTHWEST, 1, row++, 1, 1, 1.0, 0.0 );

    DefaultStyledDocument doc = new DefaultStyledDocument();

    messageUndo_ = new UndoManager();
    doc.addUndoableEditListener( messageUndo_ );
    messageText_ = new JTextPane( doc );

    JScrollPane xscrollPane = new JScrollPane();
    xscrollPane.getViewport().add( messageText_ );

    messageText_.getCaret().setBlinkRate( 500 );
    messageText_.addFocusListener( focusListener_ );

    AWTUtilities.constrain( content, xscrollPane, GridBagConstraints.BOTH,
                            GridBagConstraints.CENTER, 0, 2, 2, 1, 2.0, 1.0 );

    JPanel statusPan = new JPanel();
    statusPan.setLayout( new GridBagLayout() );

    AWTUtilities.constrain( content, statusPan, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.SOUTHWEST, 0, 3, 1, 1, 1.0, 0.0 );

    charsetLbl_ = new JLabel( (String) charsets_.firstElement() );

    charsetMenu_ = new JPopupMenu();
    for ( int i = 0, sz = charsets_.size() ; i < sz ; ++i ) {
      String cs = (String) charsets_.elementAt(i);
      Action act = new IAbstractAction( cs );
      charsetMenu_.add( act );
    }

    charsetLbl_.addMouseListener( new IMouseAdapter( charsetMenu_ ) );

    AWTUtilities.constrain( statusPan, charsetLbl_, GridBagConstraints.HORIZONTAL,
                            GridBagConstraints.SOUTHWEST, 0, 0, 1, 1, 1.0, 0.0 );

    doc.addUndoableEditListener( new IUndoableEditListener() );
  }

  private void
  establishMenuBar() {
    menuBar_ = new JMenuBar();

    menuBar_.add( ComponentFactory.getMenuAndItems( ICEMail.getBundle(),
                                                    "Compose.Message",
                                                    actionListener_ ) );
    menuBar_.add( ComponentFactory.getMenuAndItems( ICEMail.getBundle(),
                                                    "Compose.Edit",
                                                    actionListener_ ) );

    establishSignatures();
    establishAddresses();

    setJMenuBar( menuBar_ );
  }

  private void
  establishSignatures() {
    JMenuItem item;

    String sigListStr = UserProperties.getProperty( "signatureList", null );

    JMenu menu = ComponentFactory.getMenuAndItems( ICEMail.getBundle(), "Compose.Sign",
                                                   actionListener_ );

    menuBar_.add( menu );

    menu.addSeparator();

    if ( sigListStr == null )
      return;

    String[] sigList = StringUtilities.splitString( sigListStr, ":" );

    for ( int i = 0 ; i < sigList.length ; ++i ) {
      if ( sigList[i].equals( "default" ) )
        continue;

      String sigStr = UserProperties.getProperty( ("signature." + sigList[i]), null );

      if ( sigStr == null )
        continue;

      item = new JMenuItem( sigList[i] );
      item.addActionListener( actionListener_ );
      item.setActionCommand( "SIGN:" + sigList[i] );
      menu.add( item );
    }
  }

  private void
  establishAddresses() {
    JMenuItem item;
    String addrListStr = UserProperties.getProperty( "addressList", null );

    if ( addrListStr == null )
      return;

    String[] addrList = StringUtilities.splitString( addrListStr, ":" );

    if ( addrList.length < 1 )
      return;

    JMenu menu = ComponentFactory.getMenu( ICEMail.getBundle(), "Compose.Address" );

    menuBar_.add( menu );

    for ( int i = 0 ; i < addrList.length ; ++i ) {
      String addrStr = UserProperties.getProperty( ("address." + addrList[i]), null );

      if ( addrStr == null )
        continue;

      item = new JMenuItem( addrList[i] );
      item.addActionListener( actionListener_ );
      item.setActionCommand( "ADDR:" + addrList[i] );
      if ( i < 10 )
        item.setAccelerator( KeyStroke.getKeyStroke( ComposeFrame.AccKeys[i], Event.CTRL_MASK ) );
      menu.add( item );
    }
  }

// ............................................................
// these routines setup the contents of the composition

  private void
  setMessage( String body ) {
    try {
      Message xnew = null;

      if ( originalMessage_ != null ) {
        String xprefix = null;
        String xenclosure = null;
        boolean xuseattachments = false;

        Vector descV = new Vector();
        Vector attachV = new Vector();
        StringBuffer bodyBuf = new StringBuffer( 2046 );

        MessageUtilities.decodeContent( originalMessage_, bodyBuf, attachV, descV );

      // create or use the appropriate message
        switch ( state_ ) {
        case FORWARDING:
          xprefix = getForwardPrefix( originalMessage_ );
          xenclosure = getForwardEnclosure( originalMessage_ );
          xuseattachments =
            UserProperties.getProperty( Configuration.P_COMPOSE_FORWARD_ATTACHMENTS, true );
          xnew = MessageUtilities.createForward( originalMessage_ );
          break;

        case REPLYING:
          xprefix = getReplyPrefix( originalMessage_ );
          xenclosure = getReplyEnclosure( originalMessage_ );
          xnew = MessageUtilities.createReply( originalMessage_, "", false );
          break;

        case REPLYINGTOALL:
          xprefix = getReplyPrefix( originalMessage_ );
          xenclosure = getReplyEnclosure( originalMessage_ );
          xnew = MessageUtilities.createReply( originalMessage_, "", true );
          break;

        default:
          xuseattachments = true;
          xnew = originalMessage_;
          break;
        }

      // now convert the resulting message to the display
        fromText_.setText( MessageUtilities.decodeFrom( xnew ) );

        toText_.setText( MessageUtilities.decodeAddresses( xnew, Message.RecipientType.TO ) );

        ccText_.setText( MessageUtilities.decodeAddresses( xnew, Message.RecipientType.CC ) );

        bccText_.setText( MessageUtilities.decodeAddresses( xnew, Message.RecipientType.BCC ) );

        subjectText_.setText( xnew.getSubject() );

        if ( body != null ) {
          messageText_.setText( body );
        } else {
          messageText_.setText( bodyBuf.toString() );
        }

        if ( xuseattachments ) {
          for ( int ai = 0, sz = attachV.size() ; ai < sz ; ai++ ) {
          // attachment
            Object ap = attachV.elementAt(ai);
            attachments_.addElement( ap );
          // name